Install asphalt shingle caps over the vent using the nails recommended by the manufacturer.
How to install roof ridge vent cap.
Attach the other side of the vent to the opposite side of the ridge to fully secure the vent.
If you have a vented ridge cap it will require a ridge vent such as profilevent.
Place the shingle over ridge vent along the reference line and nail the ridge vent to the decking along that side as directed by the manufacturer.
To begin the ridge vent installation they measure down 3 inches from the top of the ridge and snap a line to cut the opening for the ridge vent.
This is an area of the roof which requires extra care and skill.
How to install ridge cap vent for a metal roof for a vented ridge cap there needs to be a 2 inch wide opening at the ridge for ventilation.
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Begin by removing all cap shingles along the entire.
Follow these steps to remove cap shingles.
Using a circular saw with a carbide tip blade one of the roofers plunges the saw into the ridge at the ends and then follows the chalk line.
Install profilevent to 1 up slope from the edge of the ridge cap.
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With new laminated hip and ridge cap shingles finishing a roof installation with a ridge cap is a much simpler process than with the old three tab shingles.
For a ridge vent to work properly it must have adequate intake of fresh cool.